/*
* Copyright 2002-2006 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core;
/**
* Class that exposes the Spring version. Fetches the
* "Implementation-Version" manifest attribute from the jar file.
*
* <p>Note that some ClassLoaders do not expose the package metadata,
* hence this class might not be able to determine the Spring version
* in all environments. Consider using a reflection-based check instead:
* For example, checking for the presence of a specific Spring 2.0
* method that you intend to call.
*
* @author Juergen Hoeller
* @since 1.1
*/
public class SpringVersion {
/**
* Return the full version string of the present Spring codebase,
* or <code>null</code> if it cannot be determined.
* @see java.lang.Package#getImplementationVersion()
*/
public static String getVersion() {
Package pkg = SpringVersion.class.getPackage();
return (pkg != null ? pkg.getImplementationVersion() : null);
}
}